Boundary Atlas

ZIP code 53213: Wauwatosa, WI

ZIP code 53213 is in Wauwatosa (85% of residents) and Milwaukee (15%), in Milwaukee County, Wisconsin. It is in Wisconsin's 4th congressional district. Its state senate districts are State Senate District 5 (61%), State Senate District 6 (38%) and State Senate District 3 (1.0%); its state house districts are Assembly District 13 (49%), Assembly District 18 (37%), Assembly District 14 (11%), Assembly District 7 (1.0%) and Assembly District 17 (1.0%).

26,469residents (2020 Census)
3.9 sq miland area
2cities and towns
1congressional district
25voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Wauwatosa85%
Milwaukee15%

CountyShare of ZIP residents
Milwaukee County100%

Town or county subdivisionShare of ZIP residents
Wauwatosa city85%
Milwaukee city15%

Congressional district

Congressional districtShare of ZIP residents
Wisconsin's 4th congressional district (WI-04)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WI-04)Gwen Moore (D)202-225-4572100%
U.S. SenatorRon Johnson (R)202-224-5323 · contact formstatewide
U.S. SenatorTammy Baldwin (D)202-224-5653 · contact formstatewide
State Senator (State Senate District 5)Rob Hutton (R)61%
State Senator (State Senate District 6)LaTonya Johnson (Democratic)414-313-124138%
State Senator (State Senate District 3)Tim Carpenter (Democratic)1.0%
Assembly Member (Assembly District 13)Robyn Vining (Democratic)49%
Assembly Member (Assembly District 18)Margaret Arney (Democratic)37%
Assembly Member (Assembly District 14)Angelito Tenorio (Democratic)11%
Assembly Member (Assembly District 7)Karen Kirsch (Democratic)1.0%
Assembly Member (Assembly District 17)Supreme Moore Omokunde (Democratic)1.0%

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 561%
State Senate District 638%
State Senate District 31.0%

State house districtShare of ZIP residents
Assembly District 1349%
Assembly District 1837%
Assembly District 1411%
Assembly District 71.0%
Assembly District 171.0%

Voting precincts

25 voting precincts overlap ZIP 53213. Map them, with each precinct's share of the ZIP's residents.

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Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:53213")

ZIP 53213 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.